12-letter words containing a, e, o
- autochangers — Plural form of autochanger.
- autochthones — Alternative spelling of autochthons.
- autocomplete — a feature of a word processor, email program, web browser, etc., that automatically predicts the remaining characters in a word or phrase based on what has been typed or input before: If you supply the information, your browser will be able to use autocomplete to fill out online forms.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- autoeciously — in an autoecious manner
- autoexec.bat — (operating system) The batch file containing commands, loaded by MS-DOS after running CONFIG.SYS. AUTOEXEC.BAT contains normal DOS commands and can be used for additional system configuration such as setting paths and variables, configuring network connections and running application programs.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autofellatio — Oral stimulation of one's own penis.
- autogenously — In an autogenous manner; spontaneously.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- autotheistic — Self-worshiping; prideful in the extreme.
- autotoxaemia — autointoxication.
- autumn olive — a spiny shrub (Elaeagnus umbellata) of the oleaster family, having leaves covered with silvery or brown scales
- averruncator — a long pair of shears used for pruning the higher branches of trees
- avowableness — the quality or condition of being avowable
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- axis of evil — North Korea, Iraq, and Iran when considered together as a perceived threat to world stability
- aykhona wena — an exclamation expressive of surprise, pain, pleasure, etc
- ayuntamiento — (in Spain) a municipal council
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- azophenylene — phenazine.
- babcock test — a test for determining the butterfat content of milk and milk products, conducted by adding sulfuric acid to a sample and then centrifuging it in a flask with a calibrated neck in which the liquefied fat collects.
- babingtonite — a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
- baby boomlet — a period of increase in the birthrate, smaller than a baby boom, as in the U.S. during the 1980s and 1990s.
- baby brother — a younger brother
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- bachelor pad — a flat in which a bachelor lives
- bachelorette — A bachelorette is a woman who has never married.
- bachelorhood — the state of being a bachelor.
- bachelorship — the state of being a bachelor; bachelorhood
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backboneless — lacking backbone; cowardly
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backwoodsmen — Plural form of backwoodsman.
- bacon-slicer — a machine for cutting bacon into slices
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- baffle board — a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or sound, or the distribution of sound, esp in a loudspeaker or microphone
- baked potato — a large potato baked in its skin
- baker's oven — an oven used esp for baking bread
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- ball of fire — a very lively person
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- balladmonger — (formerly) a seller of ballads, esp on broadsheets